CHEMISTRY HIGH SCHOOL

If the substances below, which is best able to conduct electricity? a. KBr(l)
b. NaC₂H₃O₂(s)
c. C₆H₁₂O₆(aq)
d. CH₃OH(aq)
e. NaCl(s)

It would be great if you could add a few words of explanation

Answers

Answer 1
Answer: The best one is the substance with more free electrons therefore it is d.

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Highlights the basic points in lewis and lannngmuir theory of electrovalency

Answers

The correct answer for the question that is being presented above is this one: "Electrovalency is characterized with the transferring of one or more electrons from one atom to another together with the formation of ions and as well as the number of positive and negative charges. 

The Lewis and Langmuir theory of electrovalency (and as well as Kossel's) is dealing with Ionic bonds. 

Lewis: electron-pair sharing, octet rule, Lewis Symbols or StructureLangmuir: introduced term "covalent" bond, and popularized Lewis's ideas

The Lewis-Langmuir electron-pair or covalent bond is referred as the homopolar bond, where the complete transfer of electrons give rise to ionic, or electrovalent bond (1) through attraction of opposite charges.

Which compound listed below has the largest molar mass?Ca(OH)2
H20
CaCl2
NH3

Answers

Answer: the answer would be CaCI2

Explanation: this was one of my exam questions i got right. :)

How many grams of Cl are in 535 g of CaCl2?

Answers

m(Ca Cl_(2))=535 g
m(Cl)=?
The molar mass of CaCl_(2) = 40.08 + 2 * 35.45 = 110.98 
The atomic mass of Cl: 35.45 ( you can see it in the Periodic table) 
110.98 g CaCl_(2)- 35.45 * 2 g Cl
535 g CaCl_(2) - x g Cl
Proportion:
110.98 : 535 = (35,45 * 2) : x
x = 535 * 35.45 * 2 / 110.98 = 37,931.5/110.98 = 341.79 g
Answer: m(Cl)=341.79 g

In general, the solubility of ________ in water decreases as temperature increases.

Answers

Solubility of a gas in a liquid is directly proportional to the partial pressure of the gas present above the liquid and is inversely proportional to the temperature.

So, the solubility of gas in water decreases as the temperature increases.

Answer:

solubility increases

Explanation:

Write and balance this equation. Solid iron reacts with fluorine gas to produce crystalline iron(III) fluoride.

Answers

The balanced equation is: 2Fe + 3F2 ⇒ 2FeF3

How to balance an equation?

A chemical equation needs to be balanced if you want to make the wide variety of the atoms of the reactants equal to the variety of the atoms of the goods.

Given,

Iron + fluorine ⇒ Iron Flouride

Fe + F2 ⇒ FeF3

Now to balance this reaction:

2Fe + 3F2  ⇒ 2FeF3

This reaction is balanced.

What is iron fluoride used for?

This medicine is a mixture manufactured from nutrients, iron, and fluoride. it's miles utilized in infants and youngsters to deal with or prevent deficiency because of terrible weight loss programs or low tiers of fluoride in drinking water and other sources.

Learn more about iron fluoride here: brainly.com/question/24072912

#SPJ2

Answer:

iron+flourine.............iron flouride

Fe+F2.............FeF3

the above reaction is not balanced

now to balance this reaction

2Fe+3F2...........2FeF3

now this reaction is balanced

The pH scale for acids and bases ranges from

Answers

0-14
0-6 is an acid
8-14 is a base
7 is neutral
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